147679917 has 16 divisors (see below), whose sum is σ = 245494272. Its totient is φ = 76716720.

The previous prime is 147679907. The next prime is 147679921. The reversal of 147679917 is 719976741.

It is not a de Polignac number, because 147679917 - 2⁶ = 147679853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147679917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147679907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319423 + ... + 319884.

It is an arithmetic number, because the mean of its divisors is an integer number (15343392).

Almost surely, 2^147679917 is an apocalyptic number.

It is an amenable number.

147679917 is a deficient number, since it is larger than the sum of its proper divisors (97814355).

147679917 is a wasteful number, since it uses less digits than its factorization.

147679917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639328.

The product of its digits is 666792, while the sum is 51.

The square root of 147679917 is about 12152.3626097973. The cubic root of 147679917 is about 528.5756427053.

The spelling of 147679917 in words is "one hundred forty-seven million, six hundred seventy-nine thousand, nine hundred seventeen".